Transcription of When to Switch the Transfer Switch Neutral - …
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Summary: The general rule is when you have a grounded Neutral at both the generator and the utility, you must use a Transfer Switch with enough poles to Switch the Neutral . If you ground the Neutral in both places, you create undesirable multiple paths for ground current to SetStandby Power from SetFour-Pole Transfer SwitchUtility InputBond to housingGraphic Two - Detailing System with Switchable NeutralG N C B AAABBCCNGNDGFPG enerator SetStandby Power from SetThree-Pole Transfer SwitchUtility InputBond to housingGraphic One - Detailing System with Solid Neutral N C B - IntroductionAn issue frequently considered by system designers is when to Switch the Neutral of a Transfer Switch used on a
Summary: The general rule is when you have a grounded neutral at both the generator and the utility, you must use a transfer switch with enough poles to switch
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